Home / 93,040.24-128,443.20-62,984.56

Finding the Fourth Proportional to 93,040.24, 128,443.20 and 62,984.56

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Solution

The fourth proportional to 93,040.24, 128,443.20 and 62,984.56 is: 86,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,040.24 : 128,443.20 = 62,984.56 : x
  2. Step 2: Convert to fraction form
    93,040.24/128,443.20 = 62,984.56/x
  3. Step 3: Cross multiply
    93,040.24x = 128,443.20 × 62,984.56
  4. Step 4: Simplify right side
    93,040.24x = 8,089,938,436.99
  5. Step 5: Solve for x
    x = 8,089,938,436.99/93,040.24
  6. Step 6: Final answer
    x = 86,950.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.